In other words, he is still a student, isn't he?

He can speak many languages.

He is passionate about competitive programming.

He is always the type of person who says this when that is said.

Object-oriented programming is an important method for improving the efficiency of software development.

He is a perfectionist, and his approach to work is very strict.

His performance was perfect and without blemish.

In mathematics, a perfect number refers to a number where the sum of its divisors, excluding the number itself, equals the number.

This fish is completely farmed, and no capture is done in the natural environment.

He is immersed in the study of panmagic squares.